GD-FS-01 type symmetrical roller mill adopts advanced technology and craftwork, and it is the latest product which pass through several times improvement and sign. It is composed by three pairs of rollers, the two pairs in the front are smooth roller, the main function is to crush material by extrusion action, could make the husk of stuff not too fragmentary to affect the next process, the third pair is drawing rollers, easy to crash by smash. The machine operates simply, large output, the function credibility, durable service. Widely applied to pharmaceuticals, beer, monosodium glutamate, and other manufactures of equipment.